Corrigendum - supply of Lean / Rich Amine Interconnection From Plant-12 To Plant-89 At Cpcl - Manali , lean / rich amine interconnection , carbon steel piping work - above ground the job includes transporation of all free issue materials from owners storage point to work site , handling at site , cutting , bevelling , fabrication , laying , welding & erection of carbon steel piping at all locations above ground level , overhead , over sleepers , piperacks , crossovers , pipe sleeves , trenches , stand posts , connecting with equipments & nozzles , providing tappings from the existing pipelines at all grades & elevations including under road culverts . he piping job includes all modification and replacement jobs involving pipes & all types of fittings like elbows / tees / reducers / half coupling / full coupling , etc . , all types of flanges like slip on / raised face , etc . , all types of inline instruments like rotameter / pressure gauges / thermowells , etc . , valves , expansion joints , steam traps , orifice assemblies , strainers , vents , drains , funnels , etc . , of different schedules , pressure ratings and for various temperature applications he piping job includes providing shoe supports , pads at support locations , reinforcement pads , etc . , wherever required . he job includes flushing , preparing work area for executing hot work , bending to suit the contours wherever required , socket , fillet , butt welding using e 6010 / e 6013 / e 7018 electrodes / er 70s2 filler wire as required , post weld heat treatment ( pwht - stress relieving ) after welding wherever required , dpt wherever required , hydraulic / pneumatic test as per codes , specification , drawings and draining of water & drying with compressor air after hydrotest . he job also includes supplying of all types of tools & tackles , lifting arrangements like chain pulley blocks , machineries , all consumables and labour to complete the job in all respects , returning back the unused materials to owners storage point and dumping the generated scrap material to the designated area as per eic instructions . the rates for the following items shall be exclusive of blinding & deblinding , radiography , stress relieving , reinforcement pad welding , removal of old piping for replacement and erection & removal of scaffolding . the rates for the following items shall be inclusive of fabrication , laying , erection , welding , providing shoe supports , pads at support locations , flushing of the piping system , offering stagewise inspection , hydrotesting and draining / drying of the piping system , removal of insulation with cpcl supply of free power & contractors welding machine , socket welding - all elevations , carbon steel - above ground piping - socket / fillet welding joint - with hydrotest , butt welding - upto 5 metres from ground level - using e-6010 / e-6013 / e-7018 electrodes , carbon steel - above ground piping - butt welding joint - upto 8 . 8 mm thickness - with hydrotest ( root e-6010 / filling e-6013 / e-7018 ) , butt welding piping at elevations -above 5 metres & upto 12 metres from ground level - using e-6010 / e-6013 / e-7018 electrodes , carbon steel - above ground piping - butt welding joint - upto 8 . 8 mm thickness - with hydrotest ( root e-6010 / filling e-6013 / e-7018 ) , note: ( 1 ) thickness of piping for measurement shall be based on the relevant ansi or equivalent standards ( 2 ) the finished weld joint elevation at site shall be taken as reference for measurement , wherever applicable . ( 3 ) the rates for socket & fillet welding in piping shall remain same for all thickness and elevations as per sor . ( 4 ) rate for weld joints of vents & drains shall be paid on actual measurement using the applicable sor . ( 5 ) for reinforcement pad welding , the rates shall be paid separately ( 6 ) fabrication & welding of pipe shoe supports & pad at support locations are included in sor and will not be considered for measurement ( 7 ) for scaffolding work wherever required , claim shall be made as per respective sor ( 8 ) during hydrotesting of the above piping jobs , some portions of the existing piping in the circuit required to be hydrotested depending on the blinding and the same is included in the applicable welding sor . ( 9 ) sor is inclusive of removal of insulation ( 10 ) radiography of weld joints is not included in sor and shall be paid as per respective sor , dismantling & removal of piping the job involves removal of existing above ground , under ground , overhead insulated or uninsulated or steam traced piping including all types of fittings like elbows / tees / reducers , etc . , flanges , valves , all types of instruments , supports by cold cutting / gas cutting / grinding , etc . , at all locations at all grades & elevations without damaging any other portion of the existing unit , lowering down the same to ground level , transportation of the same to the designated area as per the instructions of engineer-in-charge . the insulation materials to be removed from the pipes and transported to their respective designated locations as per eic . the job also includes supplying of all types of tools & tackles , lifting arrangements like chain pulley blocks , machineries , all consumables and labour to complete the job in all respects . , dismantling & removal of piping - carbon steel / alloy steel , dismantling & removal of piping - carbon steel / alloy steel , dismantling & removal of structurals / gratings the job involves removal of existing above ground , overhead structurals including platforms , ladders , gi & steel gratings by unfastening / cold cutting / gas cutting / grinding , etc . , from various locations at all grades & elevations without damaging any other portion of the existing unit , lowering down the same to ground level , transportation of the same to the designated area or scrap yard as per the instructions of engineer-in-charge including weighment of the material at the appropriate place within the refinery premises , if required . the job also includes supplying of all types of tools & tackles , lifting arrangements like chain pulley blocks , machineries , all consumables and labour to complete the job in all respects . , dismantling & removal of structurals / gratings , dismantling & removal of structurals / gratings ( unit of measurement tonne = metric tonne ) , fabrication & erection of structurals: the job includes fabrication and erection of carbon steel structurals in position such as platforms , ladders , stairs , brackets , pipe supports , pipe shoe , using the structural materials like angles , flats , channels , beams , rounds , plates etc . at all grades & elevations . the job also includes transportation of the required structural materials from owners storage point to worksite , cutting to the required size , bolting and / or welding of joints etc . as per drawings , specifications & instructions of eic and preparing the area for hot work . the job also includes supplying of all types of tools & tackles lifting arrangements like chain pulley blocks , machineries , all consumables and labour to complete the job in all respects , returning back the unused materials to owners storage point and dumping the generated scrap material to designated area as per eic instructions . , fabrication and erection of structurals , fabrication and erection of structurals upto 15 m elevation ( unit of measurement tonne = metric tonne ) , radiography - radiography testing of pre-fabricated joints ( conventional type radiography testing ) using iridium 192 source as per the cpcl procedure ref . no . : cpcl-insp-rad-01 ( enclosed ) : - performance of radiographic inspection on piping of all types & thicknesses including providing or hiring of all necessary equip
